Molds & Tooling
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PC glass fiber grade temperature
Problem Phenomenon
【Problem Phenomenon】Glass fiber PC follows pure material process, floating fiber and filling problems coexist
Cause Analysis
Glass fiber PC viscosity increases requiring higher melt temperature and mold temperature; screw rotation speed reduced to protect fibers; wear requires wear-resistant configuration；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
Glass fiber grade melt temperature and mold temperature take the upper limit; rotation speed reduced; bimetallic barrel；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability；Change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
PC glass fiber material temperature upper limit and rotation speed reduced, equipment wear-resistant；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence；Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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